Ecology Flashcards
1
Q
How many eras have there been?
A
4
2
Q
What era are we currently in?
A
Cenozoic
3
Q
how long was the Precambrian Era?
A
4600-540 million years ago
4
Q
How long was the Paleozoic Era?
A
540-245 million years ago
5
Q
How long was the Mesozoic Era?
A
245-65 million years ago
6
Q
How long was the Cenozoic era
A
65 million years ago-present
7
Q
What periods occurred during the Precambrian Era?
A
None
8
Q
What periods occurred during the Paleozoic Era?
A
Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian
9
Q
What periods occurred during the Mesozoic Era?
A
Triassic, Jurassic, Cretaceous
10
Q
What periods occurred during the Cenozoic Era?
A
Tertiary, Quaternary
